Our heritage sash windows are made to match box sash windows crafted more than a century ago. These premium sash windows, with the classic weight-and-pulley mechanism, are the perfect choice for replacement windows in listing buildings, while also suiting high-end architect-led new developments.
We use traditional putty externally to secure high-performance Slimlite glass. Single or double glazed, this authentic-looking slim glass satisfies the modern demands for acoustic and thermal performance.
Solid glazing bars come as standard, so each window comprises a number of individual glass panels, giving these heritage sash windows genuine character.
For non-listed buildings, you may also wish to browse our collection of traditional timber windows and doors.
|Product guidance - As Standard|
|Frame||100 x 140 mm (lining width x frame depth), manufactured using mortise and tenon joints, glued and mechanically fixed|
|Sash||39 x 45 mm top rail and stiles, 90 x 55 mm bottom rail, 45 x 55 mm meeting rail|
|Mullion / transom||200 mm wide (130 mm for triple sash with fixed outer sash)|
|Sill projection||35 mm, 50mm, 60mm, 70mm, 80mm, 90mm, 100mm, 110mm|
|Staff / parting beads||Timber|
|Wood moisture content||12-19%|
|Glazing beads||External Traditional putty glazed|
|Material||Frame+Sashes Engineered redwood, Bottom Cill in Solid Hardwood - Standard. Engineered hardwood, Accoya, European oak.|
|Finish||Three coat spray applied factory finish using water based micro-porous paint / stain.|
|Colour||White - RAL 9016 - Standard. Any RAL - from RAL classic range. Stain - from TRC stain range.|
|Glazing||Double slimlight glazed, 4/6/4 Low-E top sash – 4toughened/6/4 toughened bottom sash – Standard. Single Glazing of 4 mm or 6mm thick toughened - Optional.|
|Perimeter spacer bars||White perimeter spacer - Standard. Black spacer optional.|
|Solid Bar||Ovolo 24 x 45mm.|
|Trickle ventilation||Concealed through frame head trickle ventilator. EA 1700, 4400, 5000 mm²|
|Child restrictor||Angel lock standard. Traditional Sash Stop optional.|
|Heritage Sash Windows|